Microbial Colonization

• Faculty of Medicine, C/ Sant Llorenç 21 — Reus, Tarragona, Spain
• Iispv- Hospital Sant Joan de Reus — Reus, Tarragona, Spain
• Hospital de Tarragona Joan XXIII — Tarragona, Spain

• Ann & Robert H Lurie Children's Hospital of Chicago — Chicago, Illinois, United States

• University of Essen, Clinic of Cardiology and Angiology — Essen, North Rhine-Westphalia, Germany

• University of Alberta — Edmonton, Alberta, Canada

• Medical University of Graz — Graz, Austria

• Applied Health Sciences Building - University of Illinois at Chicago — Chicago, Illinois, United States

• Walter Reed National Military Medical Center — Bethesda, Maryland, United States

• University of Missouri — Columbia, Missouri, United States

Not specified

• Spaarne Gasthuis — Hoofddorp, North Holland, Netherlands
• Leiden University Medical Centre — Leiden, Zuid-Hollend, Netherlands